:root {
  --bg: #0f0f23;
  --bg2: #1a1a2e;
  --accent: #e94560;
  --accent2: #0f3460;
  --text: #eee;
  --text2: #aaa;
  --success: #4ecca3;
  --warning: #ffc107;
  --card: #16213e;
  --border: #2a2a4a;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: linear-gradient(135deg, var(--bg), var(--bg2));
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
}

.hidden {
  display: none !important;
}

/* Header */
.header {
  text-align: center;
  padding: 40px 0 20px;
}

.header h1 {
  font-size: 2.8rem;
  color: var(--accent);
  text-shadow: 0 0 20px rgba(233, 69, 96, 0.3);
  margin-bottom: 8px;
}

.header p {
  color: var(--text2);
  font-size: 1.1rem;
}

/* Cards */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.card h2 {
  font-size: 1.5rem;
  margin-bottom: 16px;
  color: var(--text);
}

/* Forms */
.input-group {
  margin-bottom: 16px;
}

.input-group label {
  display: block;
  margin-bottom: 6px;
  color: var(--text2);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

input, select, textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
  outline: none;
  transition: border 0.2s;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
}

textarea {
  resize: vertical;
  min-height: 100px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  color: white;
}

.btn-primary {
  background: var(--accent);
  box-shadow: 0 4px 15px rgba(233, 69, 96, 0.3);
}

.btn-primary:hover {
  background: #ff2e4d;
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--accent2);
}

.btn-secondary:hover {
  background: #1a4a8a;
  transform: translateY(-2px);
}

.btn-success {
  background: var(--success);
  color: #0f0f23;
}

.btn-warning {
  background: var(--warning);
  color: #0f0f23;
}

.btn-small {
  padding: 6px 12px;
  font-size: 0.85rem;
}

.btn-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Lobby */
.lobby-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 640px) {
  .lobby-grid {
    grid-template-columns: 1fr;
  }
}

.players-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0;
}

.player-chip {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 20px;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.player-chip .host {
  color: var(--warning);
  font-size: 0.75rem;
}

.room-code {
  background: var(--bg);
  border: 2px dashed var(--accent);
  padding: 16px;
  border-radius: 12px;
  text-align: center;
  font-size: 1.5rem;
  font-weight: bold;
  letter-spacing: 4px;
  color: var(--accent);
  margin-bottom: 16px;
  user-select: all;
}

/* Game Screen */
.game-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.badge {
  background: var(--accent2);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
}

.timer {
  font-size: 2rem;
  font-weight: bold;
  color: var(--accent);
  text-align: center;
  margin: 10px 0;
}

.timer.warning {
  color: var(--warning);
  animation: pulse 1s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Word reveal */
.word-reveal {
  text-align: center;
  padding: 30px;
  background: linear-gradient(135deg, var(--accent2), var(--card));
  border-radius: 16px;
  margin-bottom: 20px;
  border: 1px solid var(--border);
}

.word-reveal .label {
  font-size: 0.9rem;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 8px;
}

.word-reveal .word {
  font-size: 2.2rem;
  font-weight: bold;
  color: var(--success);
}

.word-reveal .impostor-alert {
  font-size: 2.2rem;
  font-weight: bold;
  color: var(--accent);
}

.word-reveal .category {
  margin-top: 8px;
  color: var(--text2);
}

/* Canvas */
.canvas-container {
  background: white;
  border-radius: 12px;
  padding: 10px;
  display: inline-block;
}

#gameCanvas {
  border-radius: 8px;
  cursor: crosshair;
  background: white;
  touch-action: none;
}

.canvas-tools {
  display: flex;
  gap: 10px;
  margin-top: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.color-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
}

.color-btn.active {
  border-color: white;
  box-shadow: 0 0 0 2px var(--accent);
}

/* Entries */
.entries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin: 20px 0;
}

.entry-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  cursor: pointer;
  transition: all 0.2s;
}

.entry-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.entry-card.selected {
  border-color: var(--accent);
  background: rgba(233, 69, 96, 0.1);
}

.entry-card .author {
  font-size: 0.8rem;
  color: var(--text2);
  margin-bottom: 6px;
}

.entry-card .content {
  font-size: 1rem;
  word-break: break-word;
}

.entry-card img {
  max-width: 100%;
  border-radius: 8px;
}

/* Voting */
.vote-section {
  text-align: center;
  margin: 20px 0;
}

.players-vote {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 16px;
}

.vote-btn {
  background: var(--card);
  border: 2px solid var(--border);
  padding: 16px 24px;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--text);
  font-size: 1rem;
  min-width: 140px;
}

.vote-btn:hover {
  border-color: var(--accent);
}

.vote-btn.voted {
  border-color: var(--success);
  background: rgba(78, 204, 163, 0.1);
}

/* Results */
.result-box {
  text-align: center;
  padding: 30px;
  border-radius: 16px;
  margin-bottom: 20px;
}

.result-box.win {
  background: rgba(78, 204, 163, 0.1);
  border: 2px solid var(--success);
}

.result-box.lose {
  background: rgba(233, 69, 96, 0.1);
  border: 2px solid var(--accent);
}

.leaderboard {
  margin-top: 20px;
}

.leaderboard-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  background: var(--bg);
  border-radius: 8px;
  margin-bottom: 8px;
}

.leaderboard-item.top {
  border: 1px solid var(--warning);
}

/* Chat */
.chat-box {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 320px;
  max-height: 400px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  z-index: 100;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.chat-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  max-height: 280px;
}

.chat-msg {
  margin-bottom: 8px;
  font-size: 0.85rem;
}

.chat-msg .name {
  color: var(--accent);
  font-weight: 600;
}

.chat-msg .time {
  color: var(--text2);
  font-size: 0.7rem;
}

.chat-input {
  display: flex;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid var(--border);
}

.chat-input input {
  flex: 1;
  padding: 8px 12px;
  font-size: 0.9rem;
}

/* Notifications */
.toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--card);
  border: 1px solid var(--accent);
  padding: 12px 24px;
  border-radius: 10px;
  z-index: 200;
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from { opacity: 0; transform: translate(-50%, -20px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

/* Mode badges */
.mode-badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
}

.mode-description { background: #4ecca340; color: var(--success); }
.mode-qa { background: #ffc10740; color: var(--warning); }
.mode-drawing { background: #e9456040; color: var(--accent); }

/* Instructions */
.instructions {
  background: var(--bg);
  border-left: 4px solid var(--accent);
  padding: 12px 16px;
  border-radius: 0 8px 8px 0;
  margin-bottom: 16px;
  font-size: 0.95rem;
  color: var(--text2);
}